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Pull drm fixes from Dave Airlie:
"A bit bigger than I'd care for, but it's mostly a single vmwgfx fix
and a fix for an i915 hotplug probing. Otherwise misc i915, bridge,
panfrost and dma-buf fixes.
core:
- add a HPD poll helper
i915:
- fix regression in i915 polling
- fix docs build warning
- fix DG2 idle power consumption
bridge:
- samsung-dsim: init fix
panfrost:
- fix speed binning issue
dma-buf:
- fix recursive lock in fence signal
vmwgfx:
- fix shader stage validation
- fix NULL ptr derefs in gem put"
* tag 'drm-fixes-2023-08-25' of git://anongit.freedesktop.org/drm/drm:
drm/i915: Fix HPD polling, reenabling the output poll work as needed
drm: Add an HPD poll helper to reschedule the poll work
drm/vmwgfx: Fix possible invalid drm gem put calls
drm/vmwgfx: Fix shader stage validation
dma-buf/sw_sync: Avoid recursive lock during fence signal
drm/i915: fix Sphinx indentation warning
drm/i915/dgfx: Enable d3cold at s2idle
drm/display/dp: Fix the DP DSC Receiver cap size
drm/panfrost: Skip speed binning on EOPNOTSUPP
drm: bridge: samsung-dsim: Fix init during host transfer
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git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fixes from Steven Rostedt:
- Fix ring buffer being permanently disabled due to missed
record_disabled()
Changing the trace cpu mask will disable the ring buffers for the
CPUs no longer in the mask. But it fails to update the snapshot
buffer. If a snapshot takes place, the accounting for the ring buffer
being disabled is corrupted and this can lead to the ring buffer
being permanently disabled.
- Add test case for snapshot and cpu mask working together
- Fix memleak by the function graph tracer not getting closed properly.
The iterator is used to read the ring buffer. When it opens, it calls
the open function of a tracer, and when it is closed, it calls the
close iteration. While a trace is being read, it is still possible to
change the tracer.
If this happens between the function graph tracer and the wakeup
tracer (which uses function graph tracing), the tracers are not
closed properly during when the iterator sees the switch, and the
wakeup function did not initialize its private pointer to NULL, which
is used to know if the function graph tracer was the last tracer. It
could be fooled in thinking it is, but then on exit it does not call
the close function of the function graph tracer to clean up its data.
- Fix synthetic events on big endian machines, by introducing a union
that does the conversions properly.
- Fix synthetic events from printing out the number of elements in the
stacktrace when it shouldn't.
- Fix synthetic events stacktrace to not print a bogus value at the
end.
- Introduce a pipe_cpumask that prevents the trace_pipe files from
being opened by more than one task (file descriptor).
There was a race found where if splice is called, the iter->ent could
become stale and events could be missed. There's no point reading a
producer/consumer file by more than one task as they will corrupt
each other anyway. Add a cpumask that keeps track of the per_cpu
trace_pipe files as well as the global trace_pipe file that prevents
more than one open of a trace_pipe file that represents the same ring
buffer. This prevents the race from happening.
- Fix ftrace samples for arm64 to work with older compilers.
* tag 'trace-v6.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
samples: ftrace: Replace bti assembly with hint for older compiler
tracing: Introduce pipe_cpumask to avoid race on trace_pipes
tracing: Fix memleak due to race between current_tracer and trace
tracing/synthetic: Allocate one additional element for size
tracing/synthetic: Skip first entry for stack traces
tracing/synthetic: Use union instead of casts
selftests/ftrace: Add a basic testcase for snapshot
tracing: Fix cpu buffers unavailable due to 'record_disabled' missed
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fix from Mauro Carvalho Chehab:
"Fix a potential array out-of-bounds in the mediatek vcodec driver"
* tag 'media/v6.5-4' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
media: vcodec: Fix potential array out-of-bounds in encoder queue_setup
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git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
- Fix power consumption at s2idle on DG2 (Anshuman)
- Fix documentation build warning (Jani)
- Fix Display HPD (Imre)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ZOdPRFSJpo0ErPX/@intel.com
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git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Pull nfsd fixes from Chuck Lever:
"Two last-minute one-liners for v6.5-rc. One got lost in the shuffle,
and the other was reported just this morning"
- Close race window when handling FREE_STATEID operations
- Fix regression in /proc/fs/nfsd/v4_end_grace introduced in v6.5-rc"
* tag 'nfsd-6.5-5' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
NFSD: Fix a thinko introduced by recent trace point changes
nfsd: Fix race to FREE_STATEID and cl_revoked
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A couple more small driver specific fixes for v6.5.
The device mode for Cadence had been broken by some recent updates
done for host mode and large transfers for multi-byte words on stm32
had been broken by an API update in what I think was a rebasing
incident"
* tag 'spi-fix-v6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: spi-cadence: Fix data corruption issues in slave mode
spi: stm32: fix accidential revert to byte-sized transfer splitting
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git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
A samsung-dsim initialization fix, a devfreq fix for panfrost, a DP DSC
define fix, a recursive lock fix for dma-buf, a shader validation fix
and a reference counting fix for vmwgfx
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <mripard@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/amy26vu5xbeeikswpx7nt6rddwfocdidshrtt2qovipihx5poj@y45p3dtzrloc
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from wifi, can and netfilter.
Fixes to fixes:
- nf_tables:
- GC transaction race with abort path
- defer gc run if previous batch is still pending
Previous releases - regressions:
- ipv4: fix data-races around inet->inet_id
- phy: fix deadlocking in phy_error() invocation
- mdio: fix C45 read/write protocol
- ipvlan: fix a reference count leak warning in ipvlan_ns_exit()
- ice: fix NULL pointer deref during VF reset
- i40e: fix potential NULL pointer dereferencing of pf->vf in
i40e_sync_vsi_filters()
- tg3: use slab_build_skb() when needed
- mtk_eth_soc: fix NULL pointer on hw reset
Previous releases - always broken:
- core: validate veth and vxcan peer ifindexes
- sched: fix a qdisc modification with ambiguous command request
- devlink: add missing unregister linecard notification
- wifi: mac80211: limit reorder_buf_filtered to avoid UBSAN warning
- batman:
- do not get eth header before batadv_check_management_packet
- fix batadv_v_ogm_aggr_send memory leak
- bonding: fix macvlan over alb bond support
- mlxsw: set time stamp fields also when its type is MIRROR_UTC"
* tag 'net-6.5-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (54 commits)
selftests: bonding: add macvlan over bond testing
selftest: bond: add new topo bond_topo_2d1c.sh
bonding: fix macvlan over alb bond support
rtnetlink: Reject negative ifindexes in RTM_NEWLINK
netfilter: nf_tables: defer gc run if previous batch is still pending
netfilter: nf_tables: fix out of memory error handling
netfilter: nf_tables: use correct lock to protect gc_list
netfilter: nf_tables: GC transaction race with abort path
netfilter: nf_tables: flush pending destroy work before netlink notifier
netfilter: nf_tables: validate all pending tables
ibmveth: Use dcbf rather than dcbfl
i40e: fix potential NULL pointer dereferencing of pf->vf i40e_sync_vsi_filters()
net/sched: fix a qdisc modification with ambiguous command request
igc: Fix the typo in the PTM Control macro
batman-adv: Hold rtnl lock during MTU update via netlink
igb: Avoid starting unnecessary workqueues
can: raw: add missing refcount for memory leak fix
can: isotp: fix support for transmission of SF without flow control
bnx2x: new flag for track HW resource allocation
sfc: allocate a big enough SKB for loopback selftest packet
...
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The fixed commit erroneously removed a call to nfsd_end_grace(),
which makes calls to write_v4_end_grace() a no-op.
Reported-by: kernel test robot <oliver.sang@intel.com>
Closes: https://lore.kernel.org/oe-lkp/202308241229.68396422-oliver.sang@intel.com
Fixes: 39d432fc7630 ("NFSD: trace nfsctl operations")
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Florian Westphal says:
====================
netfilter updates for net
This PR contains nf_tables updates for your *net* tree.
First patch fixes table validation, I broke this in 6.4 when tracking
validation state per table, reported by Pablo, fixup from myself.
Second patch makes sure objects waiting for memory release have been
released, this was broken in 6.1, patch from Pablo Neira Ayuso.
Patch three is a fix-for-fix from previous PR: In case a transaction
gets aborted, gc sequence counter needs to be incremented so pending
gc requests are invalidated, from Pablo.
Same for patch 4: gc list needs to use gc list lock, not destroy lock,
also from Pablo.
Patch 5 fixes a UaF in a set backend, but this should only occur when
failslab is enabled for GFP_KERNEL allocations, broken since feature
was added in 5.6, from myself.
Patch 6 fixes a double-free bug that was also added via previous PR:
We must not schedule gc work if the previous batch is still queued.
netfilter pull request 2023-08-23
* tag 'nf-23-08-23' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
netfilter: nf_tables: defer gc run if previous batch is still pending
netfilter: nf_tables: fix out of memory error handling
netfilter: nf_tables: use correct lock to protect gc_list
netfilter: nf_tables: GC transaction race with abort path
netfilter: nf_tables: flush pending destroy work before netlink notifier
netfilter: nf_tables: validate all pending tables
====================
Link: https://lore.kernel.org/r/20230823152711.15279-1-fw@strlen.de
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Hangbin Liu says:
====================
fix macvlan over alb bond support
Currently, the macvlan over alb bond is broken after commit
14af9963ba1e ("bonding: Support macvlans on top of tlb/rlb mode bonds").
Fix this and add relate tests.
====================
Link: https://lore.kernel.org/r/20230823071907.3027782-1-liuhangbin@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Add a macvlan over bonding test with mode active-backup, balance-tlb
and balance-alb.
]# ./bond_macvlan.sh
TEST: active-backup: IPv4: client->server [ OK ]
TEST: active-backup: IPv6: client->server [ OK ]
TEST: active-backup: IPv4: client->macvlan_1 [ OK ]
TEST: active-backup: IPv6: client->macvlan_1 [ OK ]
TEST: active-backup: IPv4: client->macvlan_2 [ OK ]
TEST: active-backup: IPv6: client->macvlan_2 [ OK ]
TEST: active-backup: IPv4: macvlan_1->macvlan_2 [ OK ]
TEST: active-backup: IPv6: macvlan_1->macvlan_2 [ OK ]
TEST: active-backup: IPv4: server->client [ OK ]
TEST: active-backup: IPv6: server->client [ OK ]
TEST: active-backup: IPv4: macvlan_1->client [ OK ]
TEST: active-backup: IPv6: macvlan_1->client [ OK ]
TEST: active-backup: IPv4: macvlan_2->client [ OK ]
TEST: active-backup: IPv6: macvlan_2->client [ OK ]
TEST: active-backup: IPv4: macvlan_2->macvlan_2 [ OK ]
TEST: active-backup: IPv6: macvlan_2->macvlan_2 [ OK ]
[...]
TEST: balance-alb: IPv4: client->server [ OK ]
TEST: balance-alb: IPv6: client->server [ OK ]
TEST: balance-alb: IPv4: client->macvlan_1 [ OK ]
TEST: balance-alb: IPv6: client->macvlan_1 [ OK ]
TEST: balance-alb: IPv4: client->macvlan_2 [ OK ]
TEST: balance-alb: IPv6: client->macvlan_2 [ OK ]
TEST: balance-alb: IPv4: macvlan_1->macvlan_2 [ OK ]
TEST: balance-alb: IPv6: macvlan_1->macvlan_2 [ OK ]
TEST: balance-alb: IPv4: server->client [ OK ]
TEST: balance-alb: IPv6: server->client [ OK ]
TEST: balance-alb: IPv4: macvlan_1->client [ OK ]
TEST: balance-alb: IPv6: macvlan_1->client [ OK ]
TEST: balance-alb: IPv4: macvlan_2->client [ OK ]
TEST: balance-alb: IPv6: macvlan_2->client [ OK ]
TEST: balance-alb: IPv4: macvlan_2->macvlan_2 [ OK ]
TEST: balance-alb: IPv6: macvlan_2->macvlan_2 [ OK ]
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Jay Vosburgh <jay.vosburgh@canonical.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Add a new testing topo bond_topo_2d1c.sh which is used more commonly.
Make bond_topo_3d1c.sh just source bond_topo_2d1c.sh and add the
extra link.
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Jay Vosburgh <jay.vosburgh@canonical.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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The commit 14af9963ba1e ("bonding: Support macvlans on top of tlb/rlb mode
bonds") aims to enable the use of macvlans on top of rlb bond mode. However,
the current rlb bond mode only handles ARP packets to update remote neighbor
entries. This causes an issue when a macvlan is on top of the bond, and
remote devices send packets to the macvlan using the bond's MAC address
as the destination. After delivering the packets to the macvlan, the macvlan
will rejects them as the MAC address is incorrect. Consequently, this commit
makes macvlan over bond non-functional.
To address this problem, one potential solution is to check for the presence
of a macvlan port on the bond device using netif_is_macvlan_port(bond->dev)
and return NULL in the rlb_arp_xmit() function. However, this approach
doesn't fully resolve the situation when a VLAN exists between the bond and
macvlan.
So let's just do a partial revert for commit 14af9963ba1e in rlb_arp_xmit().
As the comment said, Don't modify or load balance ARPs that do not originate
locally.
Fixes: 14af9963ba1e ("bonding: Support macvlans on top of tlb/rlb mode bonds")
Reported-by: susan.zheng@veritas.com
Closes: https://bugzilla.redhat.com/show_bug.cgi?id=2117816
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Jay Vosburgh <jay.vosburgh@canonical.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Negative ifindexes are illegal, but the kernel does not validate the
ifindex in the ancillary header of RTM_NEWLINK messages, resulting in
the kernel generating a warning [1] when such an ifindex is specified.
Fix by rejecting negative ifindexes.
[1]
WARNING: CPU: 0 PID: 5031 at net/core/dev.c:9593 dev_index_reserve+0x1a2/0x1c0 net/core/dev.c:9593
[...]
Call Trace:
<TASK>
register_netdevice+0x69a/0x1490 net/core/dev.c:10081
br_dev_newlink+0x27/0x110 net/bridge/br_netlink.c:1552
rtnl_newlink_create net/core/rtnetlink.c:3471 [inline]
__rtnl_newlink+0x115e/0x18c0 net/core/rtnetlink.c:3688
rtnl_newlink+0x67/0xa0 net/core/rtnetlink.c:3701
rtnetlink_rcv_msg+0x439/0xd30 net/core/rtnetlink.c:6427
netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2545
netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline]
netlink_unicast+0x536/0x810 net/netlink/af_netlink.c:1368
netlink_sendmsg+0x93c/0xe40 net/netlink/af_netlink.c:1910
sock_sendmsg_nosec net/socket.c:728 [inline]
sock_sendmsg+0xd9/0x180 net/socket.c:751
____sys_sendmsg+0x6ac/0x940 net/socket.c:2538
___sys_sendmsg+0x135/0x1d0 net/socket.c:2592
__sys_sendmsg+0x117/0x1e0 net/socket.c:2621
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
Fixes: 38f7b870d4a6 ("[RTNETLINK]: Link creation API")
Reported-by: syzbot+5ba06978f34abb058571@syzkaller.appspotmail.com
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Link: https://lore.kernel.org/r/20230823064348.2252280-1-idosch@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"Make an existing ACPI IRQ override quirk for PCSpecialist Elimina Pro
16 M work as intended (Hans de Goede)"
* tag 'acpi-6.5-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: resource: Fix IRQ override quirk for PCSpecialist Elimina Pro 16 M
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After the commit in the Fixes: line below, HPD polling stopped working
on i915, since after that change calling drm_kms_helper_poll_enable()
doesn't restart drm_mode_config::output_poll_work if the work was
stopped (no connectors needing polling) and enabling polling for a
connector (during runtime suspend or detecting an HPD IRQ storm).
After the above change calling drm_kms_helper_poll_enable() is a nop
after it's been called already and polling for some connectors was
disabled/re-enabled.
Fix this by calling drm_kms_helper_poll_reschedule() added in the
previous patch instead, which reschedules the work whenever expected.
Fixes: d33a54e3991d ("drm/probe_helper: sort out poll_running vs poll_enabled")
CC: stable@vger.kernel.org # 6.4+
Cc: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Cc: dri-devel@lists.freedesktop.org
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230822113015.41224-2-imre.deak@intel.com
(cherry picked from commit 50452f2f76852322620b63e62922b85e955abe94)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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Add a helper to reschedule drm_mode_config::output_poll_work after
polling has been enabled for a connector (and needing a reschedule,
since previously polling was disabled for all connectors and hence
output_poll_work was not running).
This is needed by the next patch fixing HPD polling on i915.
CC: stable@vger.kernel.org # 6.4+
Cc: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Cc: dri-devel@lists.freedesktop.org
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230822113015.41224-1-imre.deak@intel.com
(cherry picked from commit fe2352fd64029918174de4b460dfe6df0c6911cd)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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vmw_bo_unreference sets the input buffer to null on exit, resulting in
null ptr deref's on the subsequent drm gem put calls.
This went unnoticed because only very old userspace would be exercising
those paths but it wouldn't be hard to hit on old distros with brand
new kernels.
Introduce a new function that abstracts unrefing of user bo's to make
the code cleaner and more explicit.
Signed-off-by: Zack Rusin <zackr@vmware.com>
Reported-by: Ian Forbes <iforbes@vmware.com>
Fixes: 9ef8d83e8e25 ("drm/vmwgfx: Do not drop the reference to the handle too soon")
Cc: <stable@vger.kernel.org> # v6.4+
Reviewed-by: Maaz Mombasawala<mombasawalam@vmware.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230818041301.407636-1-zack@kde.org
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For multiple commands the driver was not correctly validating the shader
stages resulting in possible kernel oopses. The validation code was only.
if ever, checking the upper bound on the shader stages but never a lower
bound (valid shader stages start at 1 not 0).
Fixes kernel oopses ending up in vmw_binding_add, e.g.:
Oops: 0000 [#1] PREEMPT SMP PTI
CPU: 1 PID: 2443 Comm: testcase Not tainted 6.3.0-rc4-vmwgfx #1
Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 11/12/2020
RIP: 0010:vmw_binding_add+0x4c/0x140 [vmwgfx]
Code: 7e 30 49 83 ff 0e 0f 87 ea 00 00 00 4b 8d 04 7f 89 d2 89 cb 48 c1 e0 03 4c 8b b0 40 3d 93 c0 48 8b 80 48 3d 93 c0 49 0f af de <48> 03 1c d0 4c 01 e3 49 8>
RSP: 0018:ffffb8014416b968 EFLAGS: 00010206
RAX: ffffffffc0933ec0 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 00000000ffffffff RSI: ffffb8014416b9c0 RDI: ffffb8014316f000
RBP: ffffb8014416b998 R08: 0000000000000003 R09: 746f6c735f726564
R10: ffffffffaaf2bda0 R11: 732e676e69646e69 R12: ffffb8014316f000
R13: ffffb8014416b9c0 R14: 0000000000000040 R15: 0000000000000006
FS: 00007fba8c0af740(0000) GS:ffff8a1277c80000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000007c0933eb8 CR3: 0000000118244001 CR4: 00000000003706e0
Call Trace:
<TASK>
vmw_view_bindings_add+0xf5/0x1b0 [vmwgfx]
? ___drm_dbg+0x8a/0xb0 [drm]
vmw_cmd_dx_set_shader_res+0x8f/0xc0 [vmwgfx]
vmw_execbuf_process+0x590/0x1360 [vmwgfx]
vmw_execbuf_ioctl+0x173/0x370 [vmwgfx]
? __drm_dev_dbg+0xb4/0xe0 [drm]
? __pfx_vmw_execbuf_ioctl+0x10/0x10 [vmwgfx]
drm_ioctl_kernel+0xbc/0x160 [drm]
drm_ioctl+0x2d2/0x580 [drm]
? __pfx_vmw_execbuf_ioctl+0x10/0x10 [vmwgfx]
? do_fault+0x1a6/0x420
vmw_generic_ioctl+0xbd/0x180 [vmwgfx]
vmw_unlocked_ioctl+0x19/0x20 [vmwgfx]
__x64_sys_ioctl+0x96/0xd0
do_syscall_64+0x5d/0x90
? handle_mm_fault+0xe4/0x2f0
? debug_smp_processor_id+0x1b/0x30
? fpregs_assert_state_consistent+0x2e/0x50
? exit_to_user_mode_prepare+0x40/0x180
? irqentry_exit_to_user_mode+0xd/0x20
? irqentry_exit+0x3f/0x50
? exc_page_fault+0x8b/0x180
entry_SYSCALL_64_after_hwframe+0x72/0xdc
Signed-off-by: Zack Rusin <zackr@vmware.com>
Cc: security@openanolis.org
Reported-by: Ziming Zhang <ezrakiez@gmail.com>
Testcase-found-by: Niels De Graef <ndegraef@redhat.com>
Fixes: d80efd5cb3de ("drm/vmwgfx: Initial DX support")
Cc: <stable@vger.kernel.org> # v4.3+
Reviewed-by: Maaz Mombasawala<mombasawalam@vmware.com>
Reviewed-by: Martin Krastev <krastevm@vmware.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230616190934.54828-1-zack@kde.org
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git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Hans de Goede:
"Final set of three small fixes for 6.5"
* tag 'platform-drivers-x86-v6.5-5' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/mellanox: Fix mlxbf-tmfifo not handling all virtio CONSOLE notifications
platform/x86: ideapad-laptop: Add support for new hotkeys found on ThinkBook 14s Yoga ITL
platform/x86: lenovo-ymc: Add Lenovo Yoga 7 14ACN6 to ec_trigger_quirk_dmi_table
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notifications
rshim console does not show all entries of dmesg.
Fixed by setting MLXBF_TM_TX_LWM_IRQ for every CONSOLE notification.
Signed-off-by: Shih-Yi Chen <shihyic@nvidia.com>
Reviewed-by: Liming Sung <limings@nvidia.com>
Reviewed-by: David Thompson <davthompson@nvidia.com>
Link: https://lore.kernel.org/r/20230821150627.26075-1-shihyic@nvidia.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Don't queue more gc work, else we may queue the same elements multiple
times.
If an element is flagged as dead, this can mean that either the previous
gc request was invalidated/discarded by a transaction or that the previous
request is still pending in the system work queue.
The latter will happen if the gc interval is set to a very low value,
e.g. 1ms, and system work queue is backlogged.
The sets refcount is 1 if no previous gc requeusts are queued, so add
a helper for this and skip gc run if old requests are pending.
Add a helper for this and skip the gc run in this case.
Fixes: f6c383b8c31a ("netfilter: nf_tables: adapt set backend to use GC transaction API")
Signed-off-by: Florian Westphal <fw@strlen.de>
Reviewed-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Several instances of pipapo_resize() don't propagate allocation failures,
this causes a crash when fault injection is enabled for gfp_kernel slabs.
Fixes: 3c4287f62044 ("nf_tables: Add set type for arbitrary concatenation of ranges")
Signed-off-by: Florian Westphal <fw@strlen.de>
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
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Use nf_tables_gc_list_lock spinlock, not nf_tables_destroy_list_lock to
protect the gc list.
Fixes: 5f68718b34a5 ("netfilter: nf_tables: GC transaction API to avoid race with control plane")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
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Abort path is missing a synchronization point with GC transactions. Add
GC sequence number hence any GC transaction losing race will be
discarded.
Fixes: 5f68718b34a5 ("netfilter: nf_tables: GC transaction API to avoid race with control plane")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
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Destroy work waits for the RCU grace period then it releases the objects
with no mutex held. All releases objects follow this path for
transactions, therefore, order is guaranteed and references to top-level
objects in the hierarchy remain valid.
However, netlink notifier might interfer with pending destroy work.
rcu_barrier() is not correct because objects are not release via RCU
callback. Flush destroy work before releasing objects from netlink
notifier path.
Fixes: d4bc8271db21 ("netfilter: nf_tables: netlink notifier might race to release objects")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
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We have to validate all tables in the transaction that are in
VALIDATE_DO state, the blamed commit below did not move the break
statement to its right location so we only validate one table.
Moreover, we can't init table->validate to _SKIP when a table object
is allocated.
If we do, then if a transcaction creates a new table and then
fails the transaction, nfnetlink will loop and nft will hang until
user cancels the command.
Add back the pernet state as a place to stash the last state encountered.
This is either _DO (we hit an error during commit validation) or _SKIP
(transaction passed all checks).
Fixes: 00c320f9b755 ("netfilter: nf_tables: make validation state per table")
Reported-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
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When building for power4, newer binutils don't recognise the "dcbfl"
extended mnemonic.
dcbfl RA, RB is equivalent to dcbf RA, RB, 1.
Switch to "dcbf" to avoid the build error.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add check for pf->vf not being NULL before dereferencing
pf->vf[vsi->vf_id] in updating VSI filter sync.
Add a similar check before dereferencing !pf->vf[vsi->vf_id].trusted
in the condition for clearing promisc mode bit.
Fixes: c87c938f62d8 ("i40e: Add VF VLAN pruning")
Signed-off-by: Andrii Staikov <andrii.staikov@intel.com>
Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When replacing an existing root qdisc, with one that is of the same kind, the
request boils down to essentially a parameterization change i.e not one that
requires allocation and grafting of a new qdisc. syzbot was able to create a
scenario which resulted in a taprio qdisc replacing an existing taprio qdisc
with a combination of NLM_F_CREATE, NLM_F_REPLACE and NLM_F_EXCL leading to
create and graft scenario.
The fix ensures that only when the qdisc kinds are different that we should
allow a create and graft, otherwise it goes into the "change" codepath.
While at it, fix the code and comments to improve readability.
While syzbot was able to create the issue, it did not zone on the root cause.
Analysis from Vladimir Oltean <vladimir.oltean@nxp.com> helped narrow it down.
v1->V2 changes:
- remove "inline" function definition (Vladmir)
- remove extrenous braces in branches (Vladmir)
- change inline function names (Pedro)
- Run tdc tests (Victor)
v2->v3 changes:
- dont break else/if (Simon)
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Reported-by: syzbot+a3618a167af2021433cd@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/netdev/20230816225759.g25x76kmgzya2gei@skbuf/T/
Tested-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Tested-by: Victor Nogueira <victor@mojatatu.com>
Reviewed-by: Pedro Tammela <pctammela@mojatatu.com>
Reviewed-by: Victor Nogueira <victor@mojatatu.com>
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If a signal callback releases the sw_sync fence, that will trigger a
deadlock as the timeline_fence_release recurses onto the fence->lock
(used both for signaling and the the timeline tree).
To avoid that, temporarily hold an extra reference to the signalled
fences until after we drop the lock.
(This is an alternative implementation of https://patchwork.kernel.org/patch/11664717/
which avoids some potential UAF issues with the original patch.)
v2: Remove now obsolete comment, use list_move_tail() and
list_del_init()
Reported-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Fixes: d3c6dd1fb30d ("dma-buf/sw_sync: Synchronize signal vs syncpt free")
Signed-off-by: Rob Clark <robdclark@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230818145939.39697-1-robdclark@gmail.com
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
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variable *nplanes is provided by user via system call argument. The
possible value of q_data->fmt->num_planes is 1-3, while the value
of *nplanes can be 1-8. The array access by index i can cause array
out-of-bounds.
Fix this bug by checking *nplanes against the array size.
Fixes: 4e855a6efa54 ("[media] vcodec: mediatek: Add Mediatek V4L2 Video Encoder Driver")
Signed-off-by: Wei Chen <harperchen1110@gmail.com>
Cc: stable@vger.kernel.org
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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The IGC_PTM_CTRL_SHRT_CYC defines the time between two consecutive PTM
requests. The bit resolution of this field is six bits. That bit five was
missing in the mask. This patch comes to correct the typo in the
IGC_PTM_CTRL_SHRT_CYC macro.
Fixes: a90ec8483732 ("igc: Add support for PTP getcrosststamp()")
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Link: https://lore.kernel.org/r/20230821171721.2203572-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The automatic recalculation of the maximum allowed MTU is usually triggered
by code sections which are already rtnl lock protected by callers outside
of batman-adv. But when the fragmentation setting is changed via
batman-adv's own batadv genl family, then the rtnl lock is not yet taken.
But dev_set_mtu requires that the caller holds the rtnl lock because it
uses netdevice notifiers. And this code will then fail the check for this
lock:
RTNL: assertion failed at net/core/dev.c (1953)
Cc: stable@vger.kernel.org
Reported-by: syzbot+f8812454d9b3ac00d282@syzkaller.appspotmail.com
Fixes: c6a953cce8d0 ("batman-adv: Trigger events for auto adjusted MTU")
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20230821-batadv-missing-mtu-rtnl-lock-v1-1-1c5a7bfe861e@narfation.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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If ptp_clock_register() fails or CONFIG_PTP isn't enabled, avoid starting
PTP related workqueues.
In this way we can fix this:
BUG: unable to handle page fault for address: ffffc9000440b6f8
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 100000067 P4D 100000067 PUD 1001e0067 PMD 107dc5067 PTE 0
Oops: 0000 [#1] PREEMPT SMP
[...]
Workqueue: events igb_ptp_overflow_check
RIP: 0010:igb_rd32+0x1f/0x60
[...]
Call Trace:
igb_ptp_read_82580+0x20/0x50
timecounter_read+0x15/0x60
igb_ptp_overflow_check+0x1a/0x50
process_one_work+0x1cb/0x3c0
worker_thread+0x53/0x3f0
? rescuer_thread+0x370/0x370
kthread+0x142/0x160
? kthread_associate_blkcg+0xc0/0xc0
ret_from_fork+0x1f/0x30
Fixes: 1f6e8178d685 ("igb: Prevent dropped Tx timestamps via work items and interrupts.")
Fixes: d339b1331616 ("igb: add PTP Hardware Clock code")
Signed-off-by: Alessio Igor Bogani <alessio.bogani@elettra.eu>
Tested-by: Arpana Arland <arpanax.arland@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20230821171927.2203644-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2023-08-21 (ice)
This series contains updates to ice driver only.
Jesse fixes an issue on calculating buffer size.
Petr Oros reverts a commit that does not fully resolve VF reset issues
and implements one that provides a fuller fix.
* '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
ice: Fix NULL pointer deref during VF reset
Revert "ice: Fix ice VF reset during iavf initialization"
ice: fix receive buffer size miscalculation
====================
Link: https://lore.kernel.org/r/20230821171633.2203505-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Oliver Hartkopp says:
====================
CAN fixes for 6.5-rc7
The isotp fix removes an unnecessary check which leads to delays and/or
a wrong error notification.
The fix for the CAN_RAW socket solves the last issue that has been
introduced with commit ee8b94c8510c ("can: raw: fix receiver memory leak")
in this upstream cycle (detected by Eric Dumazet).
====================
Link: https://lore.kernel.org/r/20230821144547.6658-1-socketcan@hartkopp.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit ee8b94c8510c ("can: raw: fix receiver memory leak") introduced
a new reference to the CAN netdevice that has assigned CAN filters.
But this new ro->dev reference did not maintain its own refcount which
lead to another KASAN use-after-free splat found by Eric Dumazet.
This patch ensures a proper refcount for the CAN nedevice.
Fixes: ee8b94c8510c ("can: raw: fix receiver memory leak")
Reported-by: Eric Dumazet <edumazet@google.com>
Cc: Ziyang Xuan <william.xuanziyang@huawei.com>
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Link: https://lore.kernel.org/r/20230821144547.6658-3-socketcan@hartkopp.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The original implementation had a very simple handling for single frame
transmissions as it just sent the single frame without a timeout handling.
With the new echo frame handling the echo frame was also introduced for
single frames but the former exception ('simple without timers') has been
maintained by accident. This leads to a 1 second timeout when closing the
socket and to an -ECOMM error when CAN_ISOTP_WAIT_TX_DONE is selected.
As the echo handling is always active (also for single frames) remove the
wrong extra condition for single frames.
Fixes: 9f39d36530e5 ("can: isotp: add support for transmission without flow control")
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Link: https://lore.kernel.org/r/20230821144547.6658-2-socketcan@hartkopp.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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While injecting PCIe errors to the upstream PCIe switch of
a BCM57810 NIC, system hangs/crashes were observed.
After several calls to bnx2x_tx_timout() complete,
bnx2x_nic_unload() is called to free up HW resources
and bnx2x_napi_disable() is called to release NAPI objects.
Later, when the EEH driver calls bnx2x_io_slot_reset() to
complete the recovery process, bnx2x attempts to disable
NAPI again by calling bnx2x_napi_disable() and freeing
resources which have already been freed, resulting in a
hang or crash.
Introduce a new flag to track the HW resource and NAPI
allocation state, refactor duplicated code into a single
function, check page pool allocation status before freeing,
and reduces debug output when a TX timeout event occurs.
Reviewed-by: Manish Chopra <manishc@marvell.com>
Tested-by: Abdul Haleem <abdhalee@in.ibm.com>
Tested-by: David Christensen <drc@linux.vnet.ibm.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Tested-by: Venkata Sai Duggi <venkata.sai.duggi@ibm.com>
Signed-off-by: Thinh Tran <thinhtr@linux.vnet.ibm.com>
Link: https://lore.kernel.org/r/20230818161443.708785-2-thinhtr@linux.vnet.ibm.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Fix Sphinx warning about unexpected indent.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230621123156.14907-2-jani.nikula@intel.com
(cherry picked from commit 175b036472f678948b03baabce4a008b7ba91ce7)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree fixes from Rob Herring:
- Fix DT node refcount when creating platform devices
- Fix deadlock in changeset code due to printing with devtree_lock held
- Fix unittest EXPECT strings for parse_phandle_with_args_map() test
- Fix IMA kexec memblock freeing
* tag 'devicetree-fixes-for-6.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
of/platform: increase refcount of fwnode
of: dynamic: Refactor action prints to not use "%pOF" inside devtree_lock
of: unittest: Fix EXPECT for parse_phandle_with_args_map() test
mm,ima,kexec,of: use memblock_free_late from ima_free_kexec_buffer
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Cited commits passed a size to alloc_skb that was only big enough for
the actual packet contents, but the following skb_put + memcpy writes
the whole struct efx_loopback_payload including leading and trailing
padding bytes (which are then stripped off with skb_pull/skb_trim).
This could cause an skb_over_panic, although in practice we get saved
by kmalloc_size_roundup.
Pass the entire size we use, instead of the size of the final packet.
Reported-by: Andy Moreton <andy.moreton@amd.com>
Fixes: cf60ed469629 ("sfc: use padding to fix alignment in loopback test")
Fixes: 30c24dd87f3f ("sfc: siena: use padding to fix alignment in loopback test")
Fixes: 1186c6b31ee1 ("sfc: falcon: use padding to fix alignment in loopback test")
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20230821180153.18652-1-edward.cree@amd.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless
Johannes Berg says:
====================
Two fixes:
- reorder buffer filter checks can cause bad shift/UBSAN
warning with newer HW, avoid the check (mac80211)
- add Kconfig dependency for iwlwifi for PTP clock usage
* tag 'wireless-2023-08-22' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless:
wifi: mac80211: limit reorder_buf_filtered to avoid UBSAN warning
wifi: iwlwifi: mvm: add dependency for PTP clock
====================
Link: https://lore.kernel.org/r/20230822124206.43926-2-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit b655892ffd6d ("leds: trigger: netdev: expose hw_control status
via sysfs") exposed to sysfs the flag that tells whether the LED trigger
is offloaded to hardware, under the name "hw_control", since that is the
name under which this setting is called in the code.
Everywhere else in kernel when some work that is normally done in
software can be made to be done by hardware instead, we use the word
"offloading" to describe this, e.g. "LED blinking is offloaded to
hardware".
Normally renaming sysfs entries is a no-go because of backwards
compatibility. But since this patch was not yet released in a stable
kernel, I think it is still possible to rename it, if there is
consensus.
Fixes: b655892ffd6d ("leds: trigger: netdev: expose hw_control status via sysfs")
Signed-off-by: Marek Behún <kabel@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20230821121453.30203-1-kabel@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When a hardware reset is triggered on devices not initializing WED the
calls to mtk_wed_fe_reset and mtk_wed_fe_reset_complete dereference a
pointer on uninitialized stack memory.
Break out of both functions in case a hw_list entry is 0.
Fixes: 08a764a7c51b ("net: ethernet: mtk_wed: add reset/reset_complete callbacks")
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Acked-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/5465c1609b464cc7407ae1530c40821dcdf9d3e6.1692634266.git.daniel@makrotopia.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Pull NFS client fixes from Trond Myklebust:
- fix a use after free in nfs_direct_join_group() (Cc: stable)
- fix sysfs server name memory leak
- fix lock recovery hang in NFSv4.0
- fix page free in the error path for nfs42_proc_getxattr() and
__nfs4_get_acl_uncached()
- SUNRPC/rdma: fix receive buffer dma-mapping after a server disconnect
* tag 'nfs-for-6.5-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
xprtrdma: Remap Receive buffers after a reconnect
NFSv4: fix out path in __nfs4_get_acl_uncached
NFSv4.2: fix error handling in nfs42_proc_getxattr
NFS: Fix sysfs server name memory leak
NFS: Fix a use after free in nfs_direct_join_group()
NFSv4: Fix dropped lock for racing OPEN and delegation return
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git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
Pull selinux fix from Paul Moore:
"A small fix for a potential problem when cleaning up after a failed
SELinux policy load (list next pointer not being properly initialized
to NULL early enough)"
* tag 'selinux-pr-20230821' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux:
selinux: set next pointer before attaching to list
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System wide suspend already has support for lmem save/restore during
suspend therefore enabling d3cold for s2idle and keepng it disable for
runtime PM.(Refer below commit for d3cold runtime PM disable justification)
'commit 66eb93e71a7a ("drm/i915/dgfx: Keep PCI autosuspend control
'on' by default on all dGPU")'
It will reduce the DG2 Card power consumption to ~0 Watt
for s2idle power KPI.
v2:
- Added "Cc: stable@vger.kernel.org".
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/8755
Cc: stable@vger.kernel.org
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Tested-by: Aaron Ma <aaron.ma@canonical.com>
Tested-by: Jianshui Yu <Jianshui.yu@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230816125216.1722002-1-anshuman.gupta@intel.com
(cherry picked from commit 2643e6d1f2a5e51877be24042d53cf956589be10)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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